"EPU 1 Memory Dump Data" (SVC/MEM)

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Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Context:

Description:

Memory dump data from EPU 1.

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EPU 1 Memory Dump Data (LMEMEPU1DATA) Telemetry Packet Format
0x	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
000	Version=0			T=0	SH	APID=0x316
002	SF		Sequence Count
004	Packet Length=377
006	Timestamp
00E	TIDBF idents
010	TDUMPADDR address
014	TDUMPSIZE wordCount
016	TDUMPCMDFUNC cmdFuncCode
018	TDUMPDATA data[0-89]

LMEMEPU1DATA (pkt)
|  TIDBF idents (bf)
|  |  TLATUNIT latUnit (0-3)
|  |  TTRANID tranID (4-15)
|  TDUMPADDR address (fld)
|  TDUMPSIZE wordCount (fld)
|  TDUMPCMDFUNC cmdFuncCode (fld)
|  TDUMPDATA data[0-89] (fld)

typedef struct _MEM_LMEMEPU1DATA_Tlm {

    /* Telemetry header */
    char                 hdr[14];

    /* LAT Unit and Transaction ID Bitfield */
    MEM_TIDBF            idents;

    /* Starting Address */
    unsigned int         address;

    /* Word Count */
    unsigned short       wordCount;

    /* Dump Type */
    unsigned short       cmdFuncCode;

    /* Dump Data Word */
    unsigned int         data[90];

} MEM_LMEMEPU1DATA_Tlm;

Fields:

TDUMPADDR (index)

Attribute(s):  

Brief:  "Starting Address"

Instance(s):  address

Address of first 32-bit word of dumped data.

TDUMPCMDFUNC (index)

Attribute(s):  

Brief:  "Dump Type"

Instance(s):  cmdFuncCode

Function code of telecommand that initiated the dump, which indicates the type of data contained in the dump.

TDUMPDATA (index)

Attribute(s):  

Brief:  "Dump Data Word"

Instance(s):  data

Memory dump data word.

TDUMPSIZE (index)

Attribute(s):  

Brief:  "Word Count"

Instance(s):  wordCount

Number of valid 32-bit words of dumped data.

TIDBF (index)

Attribute(s):  

Brief:  "LAT Unit and Transaction ID Bitfield"

Instance(s):  idents

Bitfield containing the ID of the LAT unit that sent the telemetry and the transaction identifier of the telecommand that requested the telemetry.